Finding the Fourth Proportional to 35,728.28, 49,304.86 and 19,812.69

Step by Step Solution

1. Step 1: Write the proportion equation
   35,728.28 : 49,304.86 = 19,812.69 : x
2. Step 2: Convert to fraction form
   35,728.28/49,304.86 = 19,812.69/x
3. Step 3: Cross multiply
   35,728.28x = 49,304.86 × 19,812.69
4. Step 4: Simplify right side
   35,728.28x = 976,861,906.67
5. Step 5: Solve for x
   x = 976,861,906.67/35,728.28
6. Step 6: Final answer
   x = 27,341.42